1、Articles from OracleOnLinux一步一步在Linux上安裝Oracle 11gR2 RAC (2)2012-04-25 17 04 22 Asher2.2 配置 /etc/hosts文件參照F gure 2.1網(wǎng)絡(luò)配置信息表 修改節(jié)點1的/etc/hosts配置文件。roo node1 roo node1# cp /e c/hos s /e c/hos s.bak# ca /e c/hos sove he fo ow ngne, or var ous progra# Do no re # ha requ :1sre ne work func onay w

2、oca hosfa .ocahos 6. oca do a n6ocahos6# node1 9193v p. oca do a n 1pr v. oca do a n # node2 9294v p. oca do a n 2pr v. oca do a n # scan pnode1. oca do a node1node1 v p node1node1 pr vnnode1node2. oca do a node2nnode2node2 node2node2v

3、ppr v03c us er. oca do a n roo node1 #scanscanc us er2.3 配置DNS服務(wù)器， 確認SCAN IP可以被從Orac e 11gR2開始 引入SCAN(S ng e C ent Acs Name) IP的概念相當于在客戶端和數(shù)據(jù)庫之間增加一層虛擬的網(wǎng)絡(luò)服務(wù)層 即是SCAN IP和SCAP IP L stener。在客戶端的tnsnames.ora配置文件中 只需要配置SCAN IP的配置信息即可 客戶端通過SCAN IP、SCAN IP L stener來數(shù)據(jù)庫。同之前各版本的RAC相比 使用SCAN IP的好處就是 當R

4、AC數(shù)據(jù)庫添加、刪除節(jié)點時 客戶端配置信息無需修改?？梢酝ㄟ^配置DNS服務(wù)器或GNS來配置SCAN這里以DNS為例來進行配置。2.3.1 配置DNS服務(wù)器這里 選擇IP地址為76的服務(wù)器來配置DNS服務(wù)器。安裝DNS包：rooe h0rdddns rp#fconf g e h0L nk encherneHWaddr 00:0C:29:99:DA:22ne addr:76 Bcas :55 Mask:ne 6 addr: fe80:20c:29e99:da22/64 Scope:L nkUP BROADCAS

5、T RUNNING MULTICAST MTU:1500 Me r c:1RX packe s:10237921 errors:0 dropped:0 overruns:0 fra e:0 TX packe s:1394986 errors:0 dropped:0 overruns:0 carr er:0 cos ons:0 xqueue en:1000RX by es:3375785216 (3.1 G B)dns_rp # pwd rpTXbyes:596171214 (568.5 M B)roo/roo roo o ardd/dnsrdddns_rp#1112rw r r 1 rooro

6、o 1015531 Apr2314:53bnd9.3.6 4.P1.e 5 4.2.x86 64.rprw r r 1 roo roo45360 Apr2314:53bndchroo 9.3.6 4.P1.e 5 4.2.x86 64.rprw r r 1 roo roo62251 Apr2314:53cachngna eserver 9.3.6 4.P1.e 5 4.2.x86 64.rproo rdd dns 4.P1.e 5 4.2.x86warn ng: b nd 4.P1.e 5 4.2.x86Prepar ng1:b ndroo rdd dnsrp # rp 64.rpvh b n

7、d .664.rp : Header V3 DSA s gnaure:NOKEY, key ID 1e5e0159# 100%# 100%rp# rpvh b nd chroo 9.3.64.P1.e 5_4.2.x86_64.rp 配置/var/named/chroot/etc/named.conf文件先拷貝生成該文件：修改后的該文件內(nèi)容如下：roo rdd e c # pwd/var/na ed/chroo /e roo rdd e c # ca/ na ed.cach ng na/cna ed.confeserver.conf/ Prov ded by Red Hacac

8、h ngnaeservackage o conf gure he/ ISC BIND na ed(8) DNS server as/ (as a oca hos DNS reso ver ona cach ng on y na eserver y)./ See /usr/share/doc/b nd*/s/ for ex na ed conf gura on f es./ DO NOT EDIT THIS FILEb nd or an ed or/ o crea e na ed.confuse sys econf ged s o h s f e wbeos on/ cach/ng na ese

9、rvackage upgrade.oponss en on por53 any; ;s en on v6 por 53 :1; ;d rec ory/var/na ed;du pfe/var/na ed/da a/cache_du p.db;s a s csfe/var/na ed/da a/na ed_s a s. x ;e /var/na/ a as a s cs ed/da a/na ed Those op ons rando za on query sourcefees a s. x ;shou d be used carefuy becausehey d sab e porpor53

10、;53;query source v6 porow query any;ow query cache any; ;ogg ng channedefaudebug f e da a/na ed.run; sever y dyna c;roo rdd dns rp # cd /var/na ed/chroo /e c/ roo rdd e c #o a 16rw r r 1 roo roo405 Apr 18 07:50 ocae rw r1 roo na ed 1230 Jan 21 2010 na ed.cach ng na eserver.confrw r1 roo na ed 955 Ja

11、n 21 2010 na ed.rfc1912.zones rw r1 roo na ed 113 Apr 23 14:55 rndc.key roo rdd e c # cp p na ed.cach ngna eserver.conf na ed.conf roo rdd e c #warn ng: b nd chroo 9.3.64.P1.e 5 4.2.x86 64.rp : Header V3 DSA s gna ure: NOKEY, key ID 1e5e0159 Prepar ng# 100%1:b ndchroo# 100%roo rdd dns rp # rpvh cach

12、 ng na eserver 9.3.6 4.P1.e 5 4.2.x86 64.rpwarn ng: cach ng na eserver 9.3.64.P1.e 5 4.2.x86 64.rp : Header V3 DSA s gna ure: NOKEY, key ID 1e5e0159 Prepar ng# 100%1:cach ngna eserver# 100%roo rdd dns_rp #說明：為簡單起見 將該文件中的、 oca host全部修改成any 且修改時 需要注意左右兩邊留空格。修改部分在 述配置文件中以紅色加粗標示。通過拷貝來生成/var/nam

13、ed/chroot/etc/named.conf文件時 注意加 -p選項 來保證文件的權(quán)限問題 否則會導(dǎo)致DNS服務(wù)啟不來 配置Zone文件 修改/var/named/chroot/etc/named.rfc1912.zones文件配置Zone的目的是為了SCAN IP 在該文件末尾添加以下反向Zone：配置反向Zone之后的該文件內(nèi)容如下：roo rdd e c # pwd/var/na ed/chroo /e c roo rdd e c #o a 20rw r r 1 rooroo405 Apr 18 07:50ocaerw r1 roona ed 1230 Jan 21 2010 na

14、ed.cach ngnaeserver.confrw r1 rooroo1200 Apr 23 15:03 na ed.confrw r1 roona ed 1085 Apr 23 15:19 na ed.rfc1912.zonesrw r1 roo na ed 113 Apr 23 14:55 rndc.keyroo rdd e c # ca na ed.rfc1912.zones/ na ed.rfc1912.zones:/Prov ded by Red Ha cach ng na eservackageISC BIND na ed zone conf guraon forzones re

15、co and addressended by zonesRFC 1912 sec on 4.1 : oca hos TLDsSee /usr/share/doc/b nd*/s/ for ex na ed conf guraon fes./zone. IN ype h n ;f e na ed.ca;zone oca doypea n IN as er;f e oca do a n.zone;a owupda e none; ;zone oca hos IN ypeas er;f e oca hos .zone;a owupda e none; ;zone0.0.127. n addr.arp

16、a IN ypeas er;f e na ed. oca ;a ow upda e none; ;zone.......0.0.0. ype as er;f e na ed. p6. oca ; a ow upda e none; ;IN ;zone255. n IN ype as er;f e na ed.broadcas ;zone 0.16.172. n . IN ype as er;f e 0.16.172. n ; a

17、 ow upda e none; ;v ew oca hos reso ver a ch c en s any; ; a ch des na ons any; ;recurs on yes;nc ude /e c/na ed.rfc1912.zones;roo rdd e c #雙節(jié)點 ode1、說明：正常情況下還應(yīng)該配置正向文件。這里的node2的doma n都設(shè)置為oca doma n 而默認情況下 該配置文件(/var/named/chroot/etc/named.rfc1912.zones)的第15行到第20行中已經(jīng) 帶下述正向Zone文件配置信息 所以無需再添加。 配置正、反向首先

18、生成正、反向數(shù)據(jù)庫文件。在/var/named/chroot/var/named路徑下進行配置數(shù)據(jù)庫文件。利用/var/named/chroot/var/named/ oca host.zone用/var/named/chroot/var/named/ oca host.zone生成正向的數(shù)據(jù)庫文件 利生成名為0.16.172. 的反向的數(shù)據(jù)庫文件。說明：在 述步驟中沒有配置正向Zone文件 故只需生成反向數(shù)據(jù)庫文件 正向數(shù)據(jù)庫文件利用默認的oca doma n.zone文件。數(shù)據(jù)庫文件名一定要同 述步驟中定義的正、反向Zone文件生成的正、反向一致 否則DNS出錯然后

19、定義正、反向數(shù)據(jù)庫文件。roo rdd e c # pwd/var/na ed/chroo /e croo rdd e c # cd /var/na ed/chroo /var/na ed/ roo rdd na ed #o a 36drwxrwx 2 na ed na ed 4096 Aug 26 2004 da a rw r1 roona ed 198 Jan 21 2010 oca do a n.zone rw r1 roona ed 195 Jan 21 2010 oca hos .zone rw r1 roo na ed 427 Jan 21 2010 na ed.broadcas

20、rw r1 roona ed 1892 Jan 21 2010 na ed.ca rw r1 roona ed 424 Jan 21 2010 na ed. p6. ocarw r1 roona ed 426 Jan 21 2010 na ed. ocarw r1 roona ed 427 Jan 21 2010 na ed.zerodrwxrwx 2 na ed na ed 4096 Ju 27 2004 s aves roo rdd na ed # cp p na ed. oca 0.16.172. roo rdd na ed #o a 40 rw r1 roona e

21、d426 Apr 23 16:10 0.16.172. n drwxrwx 2 na ed na ed 4096 Aug 26 2004 da a rw r1 roona ed 198 Jan 21 2010 oca do a n.zone rw r1 roona ed 195 Jan 21 2010 oca hos .zone rw r1 roo na ed 427 Jan 21 2010 na ed.broadcas rw r1 roona ed 1892 Jan 21 2010 na ed.ca rw r1 roona ed 424 Jan 21 2010 na ed.

22、 p6. ocarw r1 roona ed 426 Jan 21 2010 na ed. ocarw r1 roona ed 427 Jan 21 2010 na ed.zerodrwxrwx 2 na ed na ed 4096 Ju 27 2004 s aves roo rdd na ed #zone oca do a n IN ype as er;f e oca do a n.zone; a ow upda e none; ;a ow upda e none; ;zone 0. n IN ype as er;f e na ed.zero;a ow upda e no

23、ne; ;zone 0.16.172.. IN type master;file 0.16.172.; allow-update none; ;roo rdd e c #在正向數(shù)據(jù)庫文件oca doma n.zone末尾添加下述內(nèi)容：添加后內(nèi)容如下：在反向數(shù)據(jù)庫文件0.16.172. 末尾添加下述內(nèi)容：添加后內(nèi)容如下：2.3.2 測試DNS服務(wù)器首先 在DNS服務(wù)器76SCAN IP正常啟動DNS服務(wù)：節(jié)點 ode1、node2的/etc/reso v.conf配置文件中添加下述配置信然后 分別在息：添加

24、之后：最后 測試SCAN IP node1測試：是否成功？roo node1 # ns ookup 03 Server:76Address:172.160.176#5372. n na e = scan c us er. oca do a n.roo node1 # ca /e c/reso v.conf search oca do a nna eserver 76 roo node1 #search oca do a nna eserver 76roo rdd na ed #

25、 /e c/ n .d/na ed s a usrndc: connec fa ed: #953: connec on refused na ed s s oppedroo rdd na ed # /e c/ n .d/na ed s ar S ar ng na ed:OKroo rdd na ed # /e c/ n .d/na ed s a us nu ber of zones: 7debug eve : 0 xfers runn ng: 0 xfers deferred: 0soa quer es n progress: 0 query ogg ng s OFF rec

26、urs ve c en s: 0/1000cp c en s: 0/100 server s up and runn ngna ed (p d 23307) s runn ngroo rdd na ed # chkconf g na ed on roo rdd na ed #roo rdd na ed # pwd/var/na ed/chroo /var/na edroo rdd na ed # ca 0.16.172. n $TTL86400INSOAoca hos . roo . oca hos . (1997022700 ; Ser a28800; Refresh144

27、00; Re ry3600000; Exp re86400 ); M n uINNSoca hos .1INPTRoca hos .203IN PTR scan c us er. oca do a n. roo rdd na ed #203IN PTR scan c us er. oca do a n.roo rdd na ed # pwd/var/na ed/chroo /var/na edroo rdd na ed # caoca do a n.zone$TTL86400IN SOAoca hos roo (42; ser a (d. ada s)3H; refresh15M; re ry1W; exp ry1D );n uIN NSoca hosoca hosIN Ascan c us erIN A03roo rdd na ed #scan c us erIN A03node2測試：至此 準備工作中的配置SCAN IP通過配置DNS服務(wù)器來已經(jīng)成功From OracleOnLinux,t步 步在Linux上安裝Oracle 11gR2 RAC (2)點擊閱讀感的文章June 14,